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Finding the Fourth Proportional to 895.80, 1,332.34 and 886.08

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Solution

The fourth proportional to 895.80, 1,332.34 and 886.08 is: 1,317.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.80 : 1,332.34 = 886.08 : x
  2. Step 2: Convert to fraction form
    895.80/1,332.34 = 886.08/x
  3. Step 3: Cross multiply
    895.80x = 1,332.34 × 886.08
  4. Step 4: Simplify right side
    895.80x = 1,180,559.83
  5. Step 5: Solve for x
    x = 1,180,559.83/895.80
  6. Step 6: Final answer
    x = 1,317.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.