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Finding the Fourth Proportional to 1,024.02, 1,535.36 and 374.68

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Solution

The fourth proportional to 1,024.02, 1,535.36 and 374.68 is: 561.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.02 : 1,535.36 = 374.68 : x
  2. Step 2: Convert to fraction form
    1,024.02/1,535.36 = 374.68/x
  3. Step 3: Cross multiply
    1,024.02x = 1,535.36 × 374.68
  4. Step 4: Simplify right side
    1,024.02x = 575,268.68
  5. Step 5: Solve for x
    x = 575,268.68/1,024.02
  6. Step 6: Final answer
    x = 561.77

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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.