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Finding the Fourth Proportional to 923.60, 1,275.14 and 592.52

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Solution

The fourth proportional to 923.60, 1,275.14 and 592.52 is: 818.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    923.60 : 1,275.14 = 592.52 : x
  2. Step 2: Convert to fraction form
    923.60/1,275.14 = 592.52/x
  3. Step 3: Cross multiply
    923.60x = 1,275.14 × 592.52
  4. Step 4: Simplify right side
    923.60x = 755,541.06
  5. Step 5: Solve for x
    x = 755,541.06/923.60
  6. Step 6: Final answer
    x = 818.04

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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.