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Finding the Fourth Proportional to 1,023.53, 1,532.52 and 802.99

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Solution

The fourth proportional to 1,023.53, 1,532.52 and 802.99 is: 1,202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023.53 : 1,532.52 = 802.99 : x
  2. Step 2: Convert to fraction form
    1,023.53/1,532.52 = 802.99/x
  3. Step 3: Cross multiply
    1,023.53x = 1,532.52 × 802.99
  4. Step 4: Simplify right side
    1,023.53x = 1,230,594.40
  5. Step 5: Solve for x
    x = 1,230,594.40/1,023.53
  6. Step 6: Final answer
    x = 1,202.30

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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.