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Finding the Fourth Proportional to 548.02, 822.23 and 259.25

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Solution

The fourth proportional to 548.02, 822.23 and 259.25 is: 388.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.02 : 822.23 = 259.25 : x
  2. Step 2: Convert to fraction form
    548.02/822.23 = 259.25/x
  3. Step 3: Cross multiply
    548.02x = 822.23 × 259.25
  4. Step 4: Simplify right side
    548.02x = 213,161.83
  5. Step 5: Solve for x
    x = 213,161.83/548.02
  6. Step 6: Final answer
    x = 388.97

Related Problems

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Half scale
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Double scale
Find fourth proportional to 549.02, 823.73 and 260.25
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.