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Finding the Fourth Proportional to 649, 895.34 and 433.48

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Solution

The fourth proportional to 649, 895.34 and 433.48 is: 598.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    649 : 895.34 = 433.48 : x
  2. Step 2: Convert to fraction form
    649/895.34 = 433.48/x
  3. Step 3: Cross multiply
    649x = 895.34 × 433.48
  4. Step 4: Simplify right side
    649x = 388,111.98
  5. Step 5: Solve for x
    x = 388,111.98/649
  6. Step 6: Final answer
    x = 598.02

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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.