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Finding the Fourth Proportional to 1,532.52, 2,296.35 and 665.82

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Solution

The fourth proportional to 1,532.52, 2,296.35 and 665.82 is: 997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.52 : 2,296.35 = 665.82 : x
  2. Step 2: Convert to fraction form
    1,532.52/2,296.35 = 665.82/x
  3. Step 3: Cross multiply
    1,532.52x = 2,296.35 × 665.82
  4. Step 4: Simplify right side
    1,532.52x = 1,528,955.76
  5. Step 5: Solve for x
    x = 1,528,955.76/1,532.52
  6. Step 6: Final answer
    x = 997.67

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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.