Home / 925.03-1,387.14-347.50

Finding the Fourth Proportional to 925.03, 1,387.14 and 347.50

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Solution

The fourth proportional to 925.03, 1,387.14 and 347.50 is: 521.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.03 : 1,387.14 = 347.50 : x
  2. Step 2: Convert to fraction form
    925.03/1,387.14 = 347.50/x
  3. Step 3: Cross multiply
    925.03x = 1,387.14 × 347.50
  4. Step 4: Simplify right side
    925.03x = 482,031.15
  5. Step 5: Solve for x
    x = 482,031.15/925.03
  6. Step 6: Final answer
    x = 521.10

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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.