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Finding the Fourth Proportional to 651.69, 898.88 and 441.50

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Solution

The fourth proportional to 651.69, 898.88 and 441.50 is: 608.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.69 : 898.88 = 441.50 : x
  2. Step 2: Convert to fraction form
    651.69/898.88 = 441.50/x
  3. Step 3: Cross multiply
    651.69x = 898.88 × 441.50
  4. Step 4: Simplify right side
    651.69x = 396,848.82
  5. Step 5: Solve for x
    x = 396,848.82/651.69
  6. Step 6: Final answer
    x = 608.95

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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.