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Finding the Fourth Proportional to 651.86, 899.18 and 444.50

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Solution

The fourth proportional to 651.86, 899.18 and 444.50 is: 613.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.86 : 899.18 = 444.50 : x
  2. Step 2: Convert to fraction form
    651.86/899.18 = 444.50/x
  3. Step 3: Cross multiply
    651.86x = 899.18 × 444.50
  4. Step 4: Simplify right side
    651.86x = 399,685.51
  5. Step 5: Solve for x
    x = 399,685.51/651.86
  6. Step 6: Final answer
    x = 613.15

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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.