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Finding the Fourth Proportional to 895.38, 1,237.32 and 673.96

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Solution

The fourth proportional to 895.38, 1,237.32 and 673.96 is: 931.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.38 : 1,237.32 = 673.96 : x
  2. Step 2: Convert to fraction form
    895.38/1,237.32 = 673.96/x
  3. Step 3: Cross multiply
    895.38x = 1,237.32 × 673.96
  4. Step 4: Simplify right side
    895.38x = 833,904.19
  5. Step 5: Solve for x
    x = 833,904.19/895.38
  6. Step 6: Final answer
    x = 931.34

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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.