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Finding the Fourth Proportional to 597.15, 824.13 and 345.12

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Solution

The fourth proportional to 597.15, 824.13 and 345.12 is: 476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.15 : 824.13 = 345.12 : x
  2. Step 2: Convert to fraction form
    597.15/824.13 = 345.12/x
  3. Step 3: Cross multiply
    597.15x = 824.13 × 345.12
  4. Step 4: Simplify right side
    597.15x = 284,423.75
  5. Step 5: Solve for x
    x = 284,423.75/597.15
  6. Step 6: Final answer
    x = 476.30

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Double scale
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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.