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Finding the Fourth Proportional to 607.16, 909.84 and 277.76

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Solution

The fourth proportional to 607.16, 909.84 and 277.76 is: 416.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.16 : 909.84 = 277.76 : x
  2. Step 2: Convert to fraction form
    607.16/909.84 = 277.76/x
  3. Step 3: Cross multiply
    607.16x = 909.84 × 277.76
  4. Step 4: Simplify right side
    607.16x = 252,717.16
  5. Step 5: Solve for x
    x = 252,717.16/607.16
  6. Step 6: Final answer
    x = 416.23

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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.