Home / 475.64-656.38-336

Finding the Fourth Proportional to 475.64, 656.38 and 336

Calculator

Solution

The fourth proportional to 475.64, 656.38 and 336 is: 463.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.64 : 656.38 = 336 : x
  2. Step 2: Convert to fraction form
    475.64/656.38 = 336/x
  3. Step 3: Cross multiply
    475.64x = 656.38 × 336
  4. Step 4: Simplify right side
    475.64x = 220,543.68
  5. Step 5: Solve for x
    x = 220,543.68/475.64
  6. Step 6: Final answer
    x = 463.68

Related Problems

Find fourth proportional to 237.82, 328.19 and 168
Half scale
Find fourth proportional to 951.27, 1,312.76 and 672
Double scale
Find fourth proportional to 476.64, 657.76 and 337
Similar ratio
Find fourth proportional to 713.45, 984.57 and 504
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.