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Finding the Fourth Proportional to 467.42, 695.64 and 465.98

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Solution

The fourth proportional to 467.42, 695.64 and 465.98 is: 693.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.42 : 695.64 = 465.98 : x
  2. Step 2: Convert to fraction form
    467.42/695.64 = 465.98/x
  3. Step 3: Cross multiply
    467.42x = 695.64 × 465.98
  4. Step 4: Simplify right side
    467.42x = 324,152.00
  5. Step 5: Solve for x
    x = 324,152.00/467.42
  6. Step 6: Final answer
    x = 693.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.