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Finding the Fourth Proportional to 895.03, 1,337.36 and 647.06

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Solution

The fourth proportional to 895.03, 1,337.36 and 647.06 is: 966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.03 : 1,337.36 = 647.06 : x
  2. Step 2: Convert to fraction form
    895.03/1,337.36 = 647.06/x
  3. Step 3: Cross multiply
    895.03x = 1,337.36 × 647.06
  4. Step 4: Simplify right side
    895.03x = 865,352.16
  5. Step 5: Solve for x
    x = 865,352.16/895.03
  6. Step 6: Final answer
    x = 966.84

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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.