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Finding the Fourth Proportional to 1,066.95, 1,600.41 and 297.45

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Solution

The fourth proportional to 1,066.95, 1,600.41 and 297.45 is: 446.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066.95 : 1,600.41 = 297.45 : x
  2. Step 2: Convert to fraction form
    1,066.95/1,600.41 = 297.45/x
  3. Step 3: Cross multiply
    1,066.95x = 1,600.41 × 297.45
  4. Step 4: Simplify right side
    1,066.95x = 476,041.95
  5. Step 5: Solve for x
    x = 476,041.95/1,066.95
  6. Step 6: Final answer
    x = 446.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.