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Finding the Fourth Proportional to 895.12, 1,235.72 and 600.89

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Solution

The fourth proportional to 895.12, 1,235.72 and 600.89 is: 829.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.12 : 1,235.72 = 600.89 : x
  2. Step 2: Convert to fraction form
    895.12/1,235.72 = 600.89/x
  3. Step 3: Cross multiply
    895.12x = 1,235.72 × 600.89
  4. Step 4: Simplify right side
    895.12x = 742,527.11
  5. Step 5: Solve for x
    x = 742,527.11/895.12
  6. Step 6: Final answer
    x = 829.53

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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.