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Finding the Fourth Proportional to 845.36, 1,166.58 and 597.10

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Solution

The fourth proportional to 845.36, 1,166.58 and 597.10 is: 823.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    845.36 : 1,166.58 = 597.10 : x
  2. Step 2: Convert to fraction form
    845.36/1,166.58 = 597.10/x
  3. Step 3: Cross multiply
    845.36x = 1,166.58 × 597.10
  4. Step 4: Simplify right side
    845.36x = 696,564.92
  5. Step 5: Solve for x
    x = 696,564.92/845.36
  6. Step 6: Final answer
    x = 823.99

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Double scale
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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.