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Finding the Fourth Proportional to 651.25, 975.51 and 325.93

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Solution

The fourth proportional to 651.25, 975.51 and 325.93 is: 488.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.25 : 975.51 = 325.93 : x
  2. Step 2: Convert to fraction form
    651.25/975.51 = 325.93/x
  3. Step 3: Cross multiply
    651.25x = 975.51 × 325.93
  4. Step 4: Simplify right side
    651.25x = 317,947.97
  5. Step 5: Solve for x
    x = 317,947.97/651.25
  6. Step 6: Final answer
    x = 488.21

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.