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Finding the Fourth Proportional to 1,130.57, 1,560.22 and 633.32

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Solution

The fourth proportional to 1,130.57, 1,560.22 and 633.32 is: 874.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130.57 : 1,560.22 = 633.32 : x
  2. Step 2: Convert to fraction form
    1,130.57/1,560.22 = 633.32/x
  3. Step 3: Cross multiply
    1,130.57x = 1,560.22 × 633.32
  4. Step 4: Simplify right side
    1,130.57x = 988,115.00
  5. Step 5: Solve for x
    x = 988,115.00/1,130.57
  6. Step 6: Final answer
    x = 874.00

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1.5x scale

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.