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Finding the Fourth Proportional to 1,034.58, 1,552.11 and 457.50

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Solution

The fourth proportional to 1,034.58, 1,552.11 and 457.50 is: 686.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.58 : 1,552.11 = 457.50 : x
  2. Step 2: Convert to fraction form
    1,034.58/1,552.11 = 457.50/x
  3. Step 3: Cross multiply
    1,034.58x = 1,552.11 × 457.50
  4. Step 4: Simplify right side
    1,034.58x = 710,090.33
  5. Step 5: Solve for x
    x = 710,090.33/1,034.58
  6. Step 6: Final answer
    x = 686.36

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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.