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Finding the Fourth Proportional to 1,532.04, 2,298.02 and 492

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Solution

The fourth proportional to 1,532.04, 2,298.02 and 492 is: 737.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.04 : 2,298.02 = 492 : x
  2. Step 2: Convert to fraction form
    1,532.04/2,298.02 = 492/x
  3. Step 3: Cross multiply
    1,532.04x = 2,298.02 × 492
  4. Step 4: Simplify right side
    1,532.04x = 1,130,625.84
  5. Step 5: Solve for x
    x = 1,130,625.84/1,532.04
  6. Step 6: Final answer
    x = 737.99

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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.