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Finding the Fourth Proportional to 1,516.95, 2,275.98 and 529.91

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Solution

The fourth proportional to 1,516.95, 2,275.98 and 529.91 is: 795.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.95 : 2,275.98 = 529.91 : x
  2. Step 2: Convert to fraction form
    1,516.95/2,275.98 = 529.91/x
  3. Step 3: Cross multiply
    1,516.95x = 2,275.98 × 529.91
  4. Step 4: Simplify right side
    1,516.95x = 1,206,069.69
  5. Step 5: Solve for x
    x = 1,206,069.69/1,516.95
  6. Step 6: Final answer
    x = 795.06

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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.