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Finding the Fourth Proportional to 531.24, 797.28 and 348.60

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Solution

The fourth proportional to 531.24, 797.28 and 348.60 is: 523.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.24 : 797.28 = 348.60 : x
  2. Step 2: Convert to fraction form
    531.24/797.28 = 348.60/x
  3. Step 3: Cross multiply
    531.24x = 797.28 × 348.60
  4. Step 4: Simplify right side
    531.24x = 277,931.81
  5. Step 5: Solve for x
    x = 277,931.81/531.24
  6. Step 6: Final answer
    x = 523.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.