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Finding the Fourth Proportional to 593.81, 819.51 and 345.23

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Solution

The fourth proportional to 593.81, 819.51 and 345.23 is: 476.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.81 : 819.51 = 345.23 : x
  2. Step 2: Convert to fraction form
    593.81/819.51 = 345.23/x
  3. Step 3: Cross multiply
    593.81x = 819.51 × 345.23
  4. Step 4: Simplify right side
    593.81x = 282,915.34
  5. Step 5: Solve for x
    x = 282,915.34/593.81
  6. Step 6: Final answer
    x = 476.44

Related Problems

Find fourth proportional to 296.90, 409.76 and 172.61
Half scale
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Double scale
Find fourth proportional to 594.81, 820.89 and 346.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.