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Finding the Fourth Proportional to 593.46, 819.45 and 407.34

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Solution

The fourth proportional to 593.46, 819.45 and 407.34 is: 562.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.46 : 819.45 = 407.34 : x
  2. Step 2: Convert to fraction form
    593.46/819.45 = 407.34/x
  3. Step 3: Cross multiply
    593.46x = 819.45 × 407.34
  4. Step 4: Simplify right side
    593.46x = 333,794.76
  5. Step 5: Solve for x
    x = 333,794.76/593.46
  6. Step 6: Final answer
    x = 562.46

Related Problems

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Double scale
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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.