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Finding the Fourth Proportional to 531.02, 732.14 and 344.18

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Solution

The fourth proportional to 531.02, 732.14 and 344.18 is: 474.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.02 : 732.14 = 344.18 : x
  2. Step 2: Convert to fraction form
    531.02/732.14 = 344.18/x
  3. Step 3: Cross multiply
    531.02x = 732.14 × 344.18
  4. Step 4: Simplify right side
    531.02x = 251,987.95
  5. Step 5: Solve for x
    x = 251,987.95/531.02
  6. Step 6: Final answer
    x = 474.54

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.