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Finding the Fourth Proportional to 750.04, 1,034.49 and 651.64

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Solution

The fourth proportional to 750.04, 1,034.49 and 651.64 is: 898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.04 : 1,034.49 = 651.64 : x
  2. Step 2: Convert to fraction form
    750.04/1,034.49 = 651.64/x
  3. Step 3: Cross multiply
    750.04x = 1,034.49 × 651.64
  4. Step 4: Simplify right side
    750.04x = 674,115.06
  5. Step 5: Solve for x
    x = 674,115.06/750.04
  6. Step 6: Final answer
    x = 898.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.