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Finding the Fourth Proportional to 610.16, 840.72 and 444.08

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Solution

The fourth proportional to 610.16, 840.72 and 444.08 is: 611.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.16 : 840.72 = 444.08 : x
  2. Step 2: Convert to fraction form
    610.16/840.72 = 444.08/x
  3. Step 3: Cross multiply
    610.16x = 840.72 × 444.08
  4. Step 4: Simplify right side
    610.16x = 373,346.94
  5. Step 5: Solve for x
    x = 373,346.94/610.16
  6. Step 6: Final answer
    x = 611.88

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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.