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Finding the Fourth Proportional to 529.50, 790.53 and 452.49

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Solution

The fourth proportional to 529.50, 790.53 and 452.49 is: 675.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.50 : 790.53 = 452.49 : x
  2. Step 2: Convert to fraction form
    529.50/790.53 = 452.49/x
  3. Step 3: Cross multiply
    529.50x = 790.53 × 452.49
  4. Step 4: Simplify right side
    529.50x = 357,706.92
  5. Step 5: Solve for x
    x = 357,706.92/529.50
  6. Step 6: Final answer
    x = 675.56

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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.