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Finding the Fourth Proportional to 529.95, 790.71 and 452.04

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Solution

The fourth proportional to 529.95, 790.71 and 452.04 is: 674.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.95 : 790.71 = 452.04 : x
  2. Step 2: Convert to fraction form
    529.95/790.71 = 452.04/x
  3. Step 3: Cross multiply
    529.95x = 790.71 × 452.04
  4. Step 4: Simplify right side
    529.95x = 357,432.55
  5. Step 5: Solve for x
    x = 357,432.55/529.95
  6. Step 6: Final answer
    x = 674.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.