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Finding the Fourth Proportional to 624.54, 935.99 and 259.23

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Solution

The fourth proportional to 624.54, 935.99 and 259.23 is: 388.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.54 : 935.99 = 259.23 : x
  2. Step 2: Convert to fraction form
    624.54/935.99 = 259.23/x
  3. Step 3: Cross multiply
    624.54x = 935.99 × 259.23
  4. Step 4: Simplify right side
    624.54x = 242,635.39
  5. Step 5: Solve for x
    x = 242,635.39/624.54
  6. Step 6: Final answer
    x = 388.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 625.54, 937.48 and 260.23
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.